/* =========================================
   KORNELIUS THELEN - LOG1K.DE
   Premium Dark Design System
   ========================================= */

/* --- RESET & BASE --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background-color: #080808;
  color: #E8E8E8;
  line-height: 1.6;
  overflow-x: hidden;
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
}

input, button, textarea, select {
  font: inherit;
}

p, h1, h2, h3, h4, h5, h6 {
  overflow-wrap: break-word;
}

ul[role="list"] {
  list-style: none;
}

/* --- DESIGN TOKENS --- */
:root {
  --bg:            #080808;
  --bg-2:          #0f0f0f;
  --bg-3:          #141414;
  --bg-4:          #1a1a1a;
  --border:        #222222;
  --border-2:      #2a2a2a;
  --text:          #E8E8E8;
  --text-2:        #A0A0A0;
  --text-3:        #666666;
  --accent:        #FF3B30;
  --accent-dim:    rgba(255, 59, 48, 0.12);
  --accent-hover:  #E02D22;
  --mono:          'JetBrains Mono', 'Courier New', monospace;

  --space-xs:   0.5rem;
  --space-sm:   1rem;
  --space-md:   1.5rem;
  --space-lg:   2.5rem;
  --space-xl:   4rem;
  --space-2xl:  6rem;
  --space-3xl:  8rem;

  --max-w:      900px;
  --max-w-wide: 1100px;

  --radius-sm:  4px;
  --radius-md:  8px;
  --radius-lg:  12px;

  --transition: 0.18s ease;
}

/* --- TYPOGRAPHY SCALE --- */
h1, h2, h3, h4 {
  line-height: 1.1;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: #F5F5F5;
}

h1 { font-size: clamp(2.4rem, 5.5vw, 4.2rem); }
h2 { font-size: clamp(1.9rem, 4vw, 3rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.6rem); }
h4 { font-size: 1.1rem; font-weight: 700; }

p {
  color: var(--text-2);
  font-size: 1.05rem;
  max-width: 68ch;
}

strong { color: var(--text); font-weight: 600; }

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition);
}

/* --- LAYOUT --- */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.section {
  padding: var(--space-3xl) 0;
  border-top: 1px solid var(--border);
}

.section__label {
  margin-bottom: var(--space-md);
}

.section__headline {
  margin-bottom: var(--space-md);
}

.section__intro {
  font-size: 1.15rem;
  margin-bottom: var(--space-xl);
  max-width: 60ch;
  color: var(--text-2);
}

/* --- LABELS --- */
.label {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-3);
  padding: 0.3rem 0.7rem;
  border: 1px solid var(--border-2);
  border-radius: var(--radius-sm);
  background: var(--bg-3);
}

.label--accent {
  color: var(--accent);
  border-color: var(--accent-dim);
  background: var(--accent-dim);
}

/* --- ACCENT --- */
.accent {
  color: var(--accent);
}

/* --- BUTTONS --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.75rem;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  cursor: pointer;
  border: 1.5px solid transparent;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn--primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.btn--primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  transform: translateY(-1px);
}

.btn--ghost {
  background: transparent;
  color: var(--text-2);
  border-color: var(--border-2);
}

.btn--ghost:hover {
  color: var(--text);
  border-color: #444;
}

.btn--outline {
  background: transparent;
  color: var(--text);
  border-color: var(--border-2);
}

.btn--outline:hover {
  border-color: var(--text-3);
}

.btn--nav {
  padding: 0.55rem 1.2rem;
  font-size: 0.88rem;
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.btn--nav:hover {
  background: var(--accent-hover);
}

.btn--large {
  padding: 1.1rem 2.5rem;
  font-size: 1.05rem;
}

/* === NAVIGATION === */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(8, 8, 8, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}

.nav__inner {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  max-width: var(--max-w-wide);
  margin: 0 auto;
  padding: 1rem var(--space-lg);
}

.nav__logo {
  font-family: var(--mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.05em;
  flex-shrink: 0;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  list-style: none;
  margin-left: auto;
}

.nav__links a {
  font-size: 0.9rem;
  color: var(--text-3);
  font-weight: 500;
  transition: color var(--transition);
}

.nav__links a:hover {
  color: var(--text);
}

.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  margin-left: auto;
}

.nav__burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-2);
  transition: all var(--transition);
  border-radius: 2px;
}

.nav__burger.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav__burger.active span:nth-child(2) {
  opacity: 0;
}
.nav__burger.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav__mobile {
  display: none;
  flex-direction: column;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg) var(--space-md);
  border-top: 1px solid var(--border);
}

.nav__mobile.open {
  display: flex;
}

.nav__mobile a {
  font-size: 1rem;
  color: var(--text-2);
  font-weight: 500;
  padding: 0.4rem 0;
}

.nav__mobile a:hover {
  color: var(--text);
}

/* === HERO === */
.hero {
  padding-top: calc(var(--space-3xl) + 70px);
  padding-bottom: var(--space-3xl);
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}

.hero__label {
  margin-bottom: var(--space-md);
}

.hero__headline {
  font-size: clamp(2.8rem, 6vw, 4.8rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-md);
}

.hero__sub {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--text-2);
  max-width: 55ch;
  margin-bottom: var(--space-lg);
}

.hero__tension {
  border-left: 3px solid var(--accent);
  padding-left: var(--space-md);
  margin-bottom: var(--space-xl);
}

.hero__tension p {
  font-size: 1rem;
  color: var(--text-3);
  max-width: none;
}

.hero__cta {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
  margin-bottom: var(--space-xl);
}

.hero__stat {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
}

.stat__divider {
  width: 1px;
  height: 40px;
  background: var(--border-2);
  flex-shrink: 0;
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.stat__number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.04em;
  line-height: 1;
  font-family: var(--mono);
}

.stat__label {
  font-size: 0.82rem;
  color: var(--text-3);
  max-width: 22ch;
}

/* === PROBLEM === */
.problem {
  background: var(--bg);
}

.problem__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.problem__item {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: border-color var(--transition);
}

.problem__item:hover {
  border-color: var(--border-2);
}

.problem__number {
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.1em;
  margin-bottom: var(--space-sm);
}

.problem__item h3 {
  font-size: 1.15rem;
  margin-bottom: var(--space-sm);
  color: var(--text);
}

.problem__item p {
  font-size: 0.95rem;
  color: var(--text-2);
  max-width: none;
}

.problem__conclusion {
  text-align: center;
  padding: var(--space-xl) 0;
}

.highlight-text {
  font-size: clamp(1.3rem, 3vw, 1.9rem);
  font-weight: 700;
  color: var(--text);
  line-height: 1.3;
  max-width: none;
  letter-spacing: -0.02em;
}

/* === PROOF === */
.proof {
  background: var(--bg-2);
}

.case-study {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: var(--space-xl);
}

.case-study__header {
  background: var(--bg-3);
  padding: var(--space-lg);
  border-bottom: 1px solid var(--border);
}

.case-study__header .label {
  margin-bottom: var(--space-sm);
}

.case-study__header h3 {
  font-size: clamp(1.2rem, 2.8vw, 1.7rem);
  color: var(--text);
}

.case-study__body {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-template-rows: auto auto;
  gap: 0;
}

.case-study__situation,
.case-study__diagnosis,
.case-study__action {
  padding: var(--space-lg);
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.case-study__action {
  border-right: none;
}

.case-study__result {
  padding: var(--space-lg);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-dim);
}

.case-study__situation h4,
.case-study__diagnosis h4,
.case-study__action h4 {
  font-size: 0.8rem;
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-3);
  margin-bottom: var(--space-sm);
  font-weight: 500;
}

.case-study__situation p,
.case-study__diagnosis p,
.case-study__action p {
  font-size: 0.92rem;
  color: var(--text-2);
  max-width: none;
  margin-bottom: 0.6rem;
}

.case-study__situation p:last-child,
.case-study__diagnosis p:last-child {
  color: var(--text);
  font-weight: 600;
  margin-bottom: 0;
}

.action-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.action-list li {
  font-size: 0.9rem;
  color: var(--text-2);
  padding-left: 1.2rem;
  position: relative;
}

.action-list li::before {
  content: '-';
  position: absolute;
  left: 0;
  color: var(--accent);
}

.result-box {
  text-align: center;
}

.result-box__number {
  display: block;
  font-size: 3.5rem;
  font-weight: 900;
  color: var(--accent);
  font-family: var(--mono);
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 0.4rem;
}

.result-box__label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-sm);
}

.result-box__note {
  font-size: 0.82rem;
  color: var(--text-3);
  max-width: 28ch;
  margin: 0 auto;
}

.case-study__lesson {
  padding: var(--space-md) var(--space-lg);
  background: var(--bg-4);
}

.case-study__lesson p {
  font-size: 0.95rem;
  color: var(--text-2);
  max-width: none;
  font-style: italic;
}

.proof__examples {
  margin-bottom: var(--space-lg);
}

.proof__examples-label {
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 0.8rem;
  max-width: none;
}

.proof__example-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.proof__cta {
  text-align: center;
}

/* === FRAMEWORK === */
.framework {
  background: var(--bg);
}

.framework__pillars {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-bottom: var(--space-xl);
}

.pillar {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: var(--space-lg);
  padding: var(--space-lg) 0;
  border-bottom: 1px solid var(--border);
}

.pillar:first-child {
  padding-top: 0;
}

.pillar__step {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 0.2rem;
}

.pillar__index {
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.1em;
  background: var(--accent-dim);
  border: 1px solid rgba(255, 59, 48, 0.25);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.pillar__connector {
  flex: 1;
  width: 1px;
  background: var(--border);
  margin-top: 8px;
  min-height: 20px;
}

.pillar:last-child .pillar__connector {
  display: none;
}

.pillar__content h3 {
  font-size: 1.3rem;
  margin-bottom: var(--space-sm);
  color: var(--text);
}

.pillar__content p {
  font-size: 0.95rem;
  margin-bottom: var(--space-sm);
  color: var(--text-2);
  max-width: none;
}

.pillar__points {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.pillar__points li {
  font-size: 0.88rem;
  color: var(--text-3);
  padding-left: 1.2rem;
  position: relative;
}

.pillar__points li::before {
  content: '-';
  position: absolute;
  left: 0;
  color: var(--border-2);
}

.framework__formula {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
}

.formula {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
  justify-content: center;
}

.formula__part {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  background: var(--bg-4);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.9rem;
  white-space: nowrap;
}

.formula__op {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-3);
  font-family: var(--mono);
}

.formula__result {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(255, 59, 48, 0.25);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.9rem;
  white-space: nowrap;
}

/* === MASTERCLASS === */
.masterclass {
  background: var(--bg-2);
}

.masterclass__modules {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-bottom: var(--space-xl);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.module {
  padding: var(--space-lg);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}

.module:last-child {
  border-bottom: none;
}

.module:hover {
  background: var(--bg-3);
}

.module__header {
  display: flex;
  align-items: baseline;
  gap: var(--space-md);
  margin-bottom: var(--space-sm);
  flex-wrap: wrap;
}

.module__number {
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  flex-shrink: 0;
}

.module__title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text);
}

.module__desc {
  font-size: 0.93rem;
  color: var(--text-2);
  margin-bottom: var(--space-sm);
  max-width: none;
}

.module__outputs {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.module__outputs li {
  font-size: 0.85rem;
  color: var(--text-3);
  padding-left: 1.2rem;
  position: relative;
}

.module__outputs li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 0.8rem;
}

.masterclass__outcome {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.masterclass__outcome h3 {
  font-size: 1.1rem;
  margin-bottom: var(--space-md);
  color: var(--text);
}

.outcome__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-sm);
}

.outcome__item {
  display: flex;
  align-items: flex-start;
  gap: 0.8rem;
}

.outcome__check {
  color: var(--accent);
  font-weight: 700;
  font-family: var(--mono);
  flex-shrink: 0;
  margin-top: 0.15rem;
}

.outcome__item p {
  font-size: 0.9rem;
  color: var(--text-2);
  max-width: none;
}

.masterclass__cta {
  text-align: center;
}

.masterclass__cta-note {
  margin-top: var(--space-sm);
  font-size: 0.82rem;
  color: var(--text-3);
  max-width: none;
  text-align: center;
}

/* === PROZESS === */
.prozess {
  background: var(--bg);
}

.prozess__steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-bottom: var(--space-xl);
}

.step {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: var(--space-md);
  padding: var(--space-lg) 0;
  border-bottom: 1px solid var(--border);
}

.step:last-child {
  border-bottom: none;
}

.step__number {
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-3);
  letter-spacing: 0.1em;
  padding-top: 0.25rem;
}

.step__content h3 {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
  color: var(--text);
}

.step__content p {
  font-size: 0.93rem;
  color: var(--text-2);
  margin-bottom: var(--space-sm);
  max-width: none;
}

.step__output {
  display: inline-block;
  font-size: 0.8rem;
  font-family: var(--mono);
  color: var(--text-3);
  background: var(--bg-3);
  border: 1px solid var(--border);
  padding: 0.3rem 0.7rem;
  border-radius: var(--radius-sm);
}

.prozess__note {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius-sm);
  padding: var(--space-md) var(--space-lg);
}

.prozess__note p {
  font-size: 0.95rem;
  color: var(--text-2);
  max-width: none;
}

/* === CTA BLOCK === */
.cta-block {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.cta-block__inner {
  text-align: center;
}

.cta-block__inner h2 {
  margin-bottom: var(--space-md);
  font-size: clamp(1.7rem, 4vw, 2.8rem);
}

.cta-block__inner > p {
  font-size: 1.05rem;
  color: var(--text-2);
  margin: 0 auto var(--space-xl);
  max-width: 55ch;
}

.cta-options {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  justify-content: center;
  flex-wrap: wrap;
}

.cta-option {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  max-width: 320px;
  text-align: left;
  flex: 1;
  min-width: 260px;
}

.cta-option h3 {
  font-size: 1.2rem;
  margin-bottom: var(--space-sm);
  color: var(--text);
}

.cta-option p {
  font-size: 0.9rem;
  color: var(--text-2);
  margin-bottom: var(--space-md);
  max-width: none;
}

.cta-option__divider {
  font-size: 0.85rem;
  color: var(--text-3);
  font-family: var(--mono);
  flex-shrink: 0;
}

/* === ABOUT === */
.about {
  background: var(--bg);
}

.about__grid {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: var(--space-xl);
  align-items: start;
}

.about__text .section__label {
  display: block;
  margin-bottom: var(--space-sm);
}

.about__text h2 {
  margin-bottom: var(--space-md);
}

.about__text p {
  font-size: 1rem;
  color: var(--text-2);
  margin-bottom: var(--space-sm);
  max-width: none;
}

.about__positions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: var(--space-md);
}

.position-tag {
  font-size: 0.78rem;
  font-family: var(--mono);
  color: var(--text-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.3rem 0.7rem;
  background: var(--bg-3);
}

.about__stats {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.about__stat {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
}

.about__stat strong {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent);
  font-family: var(--mono);
  letter-spacing: -0.04em;
  margin-bottom: 0.3rem;
}

.about__stat p {
  font-size: 0.85rem;
  color: var(--text-3);
  max-width: none;
}

/* === FOOTER === */
.footer {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  padding: var(--space-xl) 0 var(--space-lg);
}

.footer__inner {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: var(--space-xl);
  align-items: start;
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--border);
}

.footer__brand {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer__logo {
  font-family: var(--mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
}

.footer__brand p {
  font-size: 0.85rem;
  color: var(--text-3);
  max-width: none;
  line-height: 1.4;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer__links a {
  font-size: 0.88rem;
  color: var(--text-3);
  transition: color var(--transition);
}

.footer__links a:hover {
  color: var(--text);
}

.footer__legal {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer__legal a {
  font-size: 0.82rem;
  color: var(--text-3);
  transition: color var(--transition);
}

.footer__legal a:hover {
  color: var(--text-2);
}

.footer__bottom p {
  font-size: 0.8rem;
  color: var(--text-3);
  font-family: var(--mono);
  letter-spacing: 0.05em;
  max-width: none;
  text-align: center;
}

/* === SCROLL INDICATOR (nav active state) === */
.nav.scrolled {
  background: rgba(8, 8, 8, 0.98);
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
  :root {
    --space-xl:  3rem;
    --space-2xl: 4rem;
    --space-3xl: 5rem;
  }

  .container {
    padding: 0 var(--space-sm);
  }

  /* Nav */
  .nav__links,
  .btn--nav {
    display: none;
  }

  .nav__burger {
    display: flex;
  }

  /* Hero */
  .hero__headline {
    font-size: clamp(2.2rem, 8vw, 3.2rem);
  }

  .hero__stat {
    flex-direction: column;
    gap: var(--space-md);
    align-items: flex-start;
  }

  .stat__divider {
    display: none;
  }

  /* Problem grid */
  .problem__grid {
    grid-template-columns: 1fr;
  }

  /* Case study */
  .case-study__body {
    grid-template-columns: 1fr;
  }

  .case-study__situation,
  .case-study__diagnosis,
  .case-study__action,
  .case-study__result {
    border-right: none;
  }

  /* Framework formula */
  .formula {
    flex-direction: column;
    align-items: stretch;
    text-align: center;
  }

  /* Outcome grid */
  .outcome__grid {
    grid-template-columns: 1fr;
  }

  /* About */
  .about__grid {
    grid-template-columns: 1fr;
  }

  /* CTA options */
  .cta-options {
    flex-direction: column;
    align-items: stretch;
  }

  .cta-option {
    max-width: none;
  }

  .cta-option__divider {
    text-align: center;
  }

  /* Footer */
  .footer__inner {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .footer__links,
  .footer__legal {
    flex-direction: row;
    flex-wrap: wrap;
    gap: var(--space-sm);
  }
}

@media (max-width: 480px) {
  .hero__cta {
    flex-direction: column;
    align-items: flex-start;
  }

  .btn {
    width: 100%;
    justify-content: center;
  }

  .module__header {
    flex-direction: column;
    gap: 0.3rem;
  }

  .step {
    grid-template-columns: 1fr;
    gap: var(--space-sm);
  }

  .step__number {
    padding-top: 0;
  }

  .pillar {
    grid-template-columns: 1fr;
    gap: var(--space-sm);
  }

  .pillar__step {
    flex-direction: row;
    align-items: center;
    gap: var(--space-sm);
  }

  .pillar__connector {
    display: none;
  }
}

/* === FADE-IN ANIMATION === */
.fade-target {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.45s ease, transform 0.45s ease;
}

.fade-target.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .fade-target {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* === FOCUS STYLES (Accessibility) === */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* === SELECTION === */
::selection {
  background: var(--accent-dim);
  color: var(--text);
}

/* === VOICEFLOW CHAT WIDGET === */
.vf-widget {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 12px;
}

.vf-trigger {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 18px 0 14px;
  height: 46px;
  background: var(--bg-3);
  border: 1px solid var(--border-2);
  border-radius: 100px;
  cursor: pointer;
  color: var(--text);
  font-family: 'Inter', sans-serif;
  font-size: 0.88rem;
  font-weight: 500;
  box-shadow: 0 4px 24px rgba(0,0,0,0.4);
  transition: border-color var(--transition), background var(--transition), transform var(--transition);
  white-space: nowrap;
}

.vf-trigger:hover {
  border-color: #444;
  background: var(--bg-4);
  transform: translateY(-2px);
}

.vf-trigger__inner {
  display: flex;
  align-items: center;
  gap: 8px;
}

.vf-trigger__text {
  color: var(--text-2);
  font-size: 0.85rem;
}

.vf-trigger__icon {
  color: var(--text-3);
  display: flex;
  align-items: center;
  margin-left: 4px;
  transition: color var(--transition);
}

.vf-trigger:hover .vf-trigger__icon {
  color: var(--text-2);
}

.vf-online-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 0 2px rgba(34, 197, 94, 0.25);
  flex-shrink: 0;
  animation: vf-pulse 2.5s infinite;
}

.vf-online-label {
  color: #22c55e;
  font-weight: 600;
}

@keyframes vf-pulse {
  0%, 100% { box-shadow: 0 0 0 2px rgba(34, 197, 94, 0.25); }
  50%       { box-shadow: 0 0 0 4px rgba(34, 197, 94, 0.1); }
}

.vf-panel {
  width: 380px;
  height: 560px;
  background: var(--bg-2);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 8px 48px rgba(0,0,0,0.6);
  display: flex;
  flex-direction: column;
  opacity: 0;
  transform: translateY(12px) scale(0.97);
  pointer-events: none;
  transition: opacity 0.22s ease, transform 0.22s ease;
}

.vf-panel.open {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: all;
}

.vf-panel__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-3);
  flex-shrink: 0;
}

.vf-panel__title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text);
}

.vf-panel__close {
  background: none;
  border: none;
  color: var(--text-3);
  cursor: pointer;
  padding: 4px;
  display: flex;
  align-items: center;
  border-radius: var(--radius-sm);
  transition: color var(--transition);
}

.vf-panel__close:hover {
  color: var(--text);
}

.vf-panel iframe {
  flex: 1;
  width: 100%;
  border: none;
  background: var(--bg);
}

@media (max-width: 480px) {
  .vf-widget {
    bottom: 16px;
    right: 16px;
  }

  .vf-panel {
    width: calc(100vw - 32px);
    height: 70vh;
  }
}